Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
chua tre » chua tri, cua tre, chua trieu
sang tao » hang tai
ve phan » va phan, ke phan, ve phat
ca chua » ca cua, sua chua
danh ca » dan ca, doanh cua, danh cho
va danh » va dinh, va dan, va hanh
tu sach » thu sach, su sach, te sach
ve pham » vi pham, v pham, ve phat
tao hoi » tao khoi, tao boi, tay hoi
ky sang » ky nang, ky dang, ky tang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (thuat sach)) ky sang tao hoi. hieu ((ve pham) OR (ve phan)) duc va danh ca chua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thuat sach)) ky sang tao hoi. hieu ((ve pham) OR (ve phan)) duc va danh ca chua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (thuat sach)) ky sang tao hoi. hieu ((ve pham) OR (ve phan)) duc va danh ca chua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thuat sach)) ky sang tao hoi. hieu ((ve pham) OR (ve phan)) duc va danh ca chua tre*.